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Finding the Fourth Proportional to 85,317.73, 117,741.68 and 47,599.27

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Solution

The fourth proportional to 85,317.73, 117,741.68 and 47,599.27 is: 65,688.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,317.73 : 117,741.68 = 47,599.27 : x
  2. Step 2: Convert to fraction form
    85,317.73/117,741.68 = 47,599.27/x
  3. Step 3: Cross multiply
    85,317.73x = 117,741.68 × 47,599.27
  4. Step 4: Simplify right side
    85,317.73x = 5,604,418,016.57
  5. Step 5: Solve for x
    x = 5,604,418,016.57/85,317.73
  6. Step 6: Final answer
    x = 65,688.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.